package com.sskj.givecoin.utils;

import android.content.Context;
import android.content.SharedPreferences;
import android.text.TextUtils;
import android.util.Base64;

import com.sskj.givecoin.MyAppLication;
import com.sskj.givecoin.common.Constants;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Map;

/**
 * SharedPreferences封装类SPUtils  * @Project  App_ZXing  * @Package  com.android.scan  * @author   chenlin  * @version  1.0  * @Date    2013年6月6日  * @Note    TODO
 */
public class SPUtils {
    /**
     * 保存在手机里面的文件名
     */
    public static final String FILE_NAME = "share_data";
    public static final String LANGUAGE = "LANGUAGE";

    /**
     * 保存用户数据对象
     * @param context
     * @param key
     * @param obj
     */
    public static void putBean(Context context, String key, Object obj) {
        if (obj instanceof Serializable) {// obj必须实现Serializable接口，否则会出问题
            try {
                ByteArrayOutputStream baos = new ByteArrayOutputStream();
                ObjectOutputStream oos = new ObjectOutputStream(baos);
                oos.writeObject(obj);
                String string64 = new String(Base64.encode(baos.toByteArray(), 0));
                SharedPreferences sp = context.getApplicationContext().getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
                SharedPreferences.Editor editor = sp.edit();
                editor.putString(key, string64);
                SharedPreferencesCompat.apply(editor);
            } catch (IOException e) {
                e.printStackTrace();
            }

        } else {
            throw new IllegalArgumentException(
                    "the obj must implement Serializble");
        }

    }

    /**
     * 获取用户数据对象
     * @param context
     * @param key
     * @return
     */
    public static Object getBean(Context context, String key) {
        Object obj = null;
        try {
            String base64 = context.getApplicationContext().getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE).getString(key, "");
            if (TextUtils.isEmpty(base64)) {
                return null;
            }
            byte[] base64Bytes = Base64.decode(base64.getBytes(), Base64.DEFAULT);
            ByteArrayInputStream bais = new ByteArrayInputStream(base64Bytes);
            ObjectInputStream ois = new ObjectInputStream(bais);
            obj = ois.readObject();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return obj;
    }


    /**
     * 保存数据的方法，我们需要拿到保存数据的具体类型，然后根据类型调用不同的保存方法    *    * @param context    * @param key    * @param object
     */
    public static void put(Context context, String key, Object object) {
        if (object!=null){
            SharedPreferences sp = context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
            SharedPreferences.Editor editor = sp.edit();
            if (object instanceof String) {
                editor.putString(key, (String) object);
            } else if (object instanceof Integer) {
                editor.putInt(key, (Integer) object);
            } else if (object instanceof Boolean) {
                editor.putBoolean(key, (Boolean) object);
            } else if (object instanceof Float) {
                editor.putFloat(key, (Float) object);
            } else if (object instanceof Long) {
                editor.putLong(key, (Long) object);
            } else {
                editor.putString(key, object.toString());
            }
            SharedPreferencesCompat.apply(editor);
        }
    }

    public static void put(Context context, String key, Object object,String language) {
        SharedPreferences sp = context.getSharedPreferences(LANGUAGE, Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sp.edit();
        if (object instanceof String) {
            editor.putString(key, (String) object);
        } else if (object instanceof Integer) {
            editor.putInt(key, (Integer) object);
        } else if (object instanceof Boolean) {
            editor.putBoolean(key, (Boolean) object);
        } else if (object instanceof Float) {
            editor.putFloat(key, (Float) object);
        } else if (object instanceof Long) {
            editor.putLong(key, (Long) object);
        } else {
            editor.putString(key, object.toString());
        }
        SharedPreferencesCompat.apply(editor);
    }

    /**
     * 得到保存数据的方法，我们根据默认值得到保存的数据的具体类型，然后调用相对于的方法获取值    *    * @param context    * @param key    * @param defaultObject    * @return
     */
    public static Object get(Context context, String key, Object defaultObject) {
        SharedPreferences sp = context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
        if (defaultObject instanceof String) {
            return sp.getString(key, (String) defaultObject);
        } else if (defaultObject instanceof Integer) {
            return sp.getInt(key, (Integer) defaultObject);
        } else if (defaultObject instanceof Boolean) {
            return sp.getBoolean(key, (Boolean) defaultObject);
        } else if (defaultObject instanceof Float) {
            return sp.getFloat(key, (Float) defaultObject);
        } else if (defaultObject instanceof Long) {
            return sp.getLong(key, (Long) defaultObject);
        }
        return null;
    }

    public static Object get(Context context, String key, Object defaultObject,String language) {
        SharedPreferences sp = context.getSharedPreferences(LANGUAGE, Context.MODE_PRIVATE);
        if (defaultObject instanceof String) {
            return sp.getString(key, (String) defaultObject);
        } else if (defaultObject instanceof Integer) {
            return sp.getInt(key, (Integer) defaultObject);
        } else if (defaultObject instanceof Boolean) {
            return sp.getBoolean(key, (Boolean) defaultObject);
        } else if (defaultObject instanceof Float) {
            return sp.getFloat(key, (Float) defaultObject);
        } else if (defaultObject instanceof Long) {
            return sp.getLong(key, (Long) defaultObject);
        }
        return null;
    }


    /**
     * 移除某个key值已经对应的值    *    * @param context    * @param key
     */
    public static void remove(Context context, String key) {
        SharedPreferences sp = context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sp.edit();
        editor.remove(key);
        SharedPreferencesCompat.apply(editor);
    }

    /**
     * 退出
     */
    public static void clear(String mobile){
        SharedPreferences sp = MyAppLication.getApplication().getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
        SharedPreferences.Editor editor = sp.edit();
        editor.clear();
        SharedPreferencesCompat.apply(editor);
        put(MyAppLication.getApplication(), Constants.SP_MOBILE, mobile);
    }

    /**
     * 查询某个key是否已经存在    *    * @param context    * @param key    * @return
     */
    public static boolean contains(Context context, String key) {
        SharedPreferences sp = context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
        return sp.contains(key);
    }

    /**
     * 返回所有的键值对    *    * @param context    * @return
     */
    public static Map<String, ?> getAll(Context context) {
        SharedPreferences sp = context.getSharedPreferences(FILE_NAME, Context.MODE_PRIVATE);
        return sp.getAll();
    }

    /**
     * 创建一个解决SharedPreferencesCompat.apply方法的一个兼容类    *    * @author zhy    *
     */
    private static class SharedPreferencesCompat {
        private static final Method sApplyMethod = findApplyMethod();

        /**
         * 反射查找apply的方法      *      * @return
         */
        @SuppressWarnings({"unchecked", "rawtypes"})
        private static Method findApplyMethod() {
            try {
                Class clz = SharedPreferences.Editor.class;
                return clz.getMethod("apply");
            } catch (NoSuchMethodException e) {
            }
            return null;
        }

        /**
         * 如果找到则使用apply执行，否则使用commit      *      * @param editor
         */
        public static void apply(SharedPreferences.Editor editor) {
            try {
                if (sApplyMethod != null) {
                    sApplyMethod.invoke(editor);
                    return;
                }
            } catch (IllegalArgumentException e) {
            } catch (IllegalAccessException e) {
            } catch (InvocationTargetException e) {
            }
            editor.commit();
        }
    }
}
